SF‑500 Portable Push and Pull Tester Meter Digital Force Gauge 500N Feature:<br style="white-space:normal;"> Built-in high sensitivity sensor, fast measurement speed and high accurate. With 3.7V li&nbsp;battery, the theoretical working time can reach 15 hours. The battery has short circuit, leakage, overload protection, and effectively protect the safety of the product. With a low battery reminder, no operation within 10 minutes can automatically shut down, do not worry about sudden power. Support three different units display: Lb, Kg, N, one-button switching, easy to operate. Large LCD display, reading data is clearer and more convenient. <br style="white-space:normal;"> Specification:<br style="white-space:normal;"> Model: SF-500<br style="white-space:normal;"> Measuring range: 500N<br style="white-space:normal;"> Load division value: 0.1N, 0.1KG, 0.1Lb<br style="white-space:normal;"> Accuracy: +-0.5%<br style="white-space:normal;"> Sensor: sensor inside<br style="white-space:normal;"> Output: DC 5V 1000mA<br style="white-space:normal;"> Relative humidity: 15%~80% RH<br style="white-space:normal;"> Working environment: no corrosive around<br style="white-space:normal;"> Unit display: Lb, Kg, N<br style="white-space:normal;"> Battery: 3.7V li&nbsp;battery(include)<br style="white-space:normal;"> <br style="white-space:normal;"> Note:<br style="white-space:normal;"> The actual product color may deviate from the photo due to light.<br style="white-space:normal;"> There may be a slight deviation in the measurement of product.